code: def __call__(self) -> Iterator[T]:
      return iter(self)
  
file_path: ptgnn/ptgnn/baseneuralmodel/utils/data.py
imports: import random
  from typing import Callable, Iterable, Iterator, List, Optional, TypeVar
label_desc: Use image node_id 4 for calling the MemorizedDataIterable obj's underlying member method code with example usage: obj.__call__() and returns: iter